Ventilator core



FIG. 1 is a perspective view of a ventilator core taken from a direction between a right side and a back of the ventilator core;

FIG. 2 is a right side elevational view of the ventilator core of FIG. 1;

FIG. 3 is a left side elevational view of the ventilator core of FIG. 1;

FIG. 4 is a front elevational view of the ventilator core of FIG. 1;

FIG. 5 is a rear elevational view of the ventilator core of FIG. 1;

FIG. 6 is a top plan view of the ventilator core of FIG. 1; and,

FIG. 7 is a bottom plan view of the ventilator core of FIG. 1.

In the drawings, the broken lines depict unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a ventilator core, as shown and described. 